Found this at a thrift store. Obscure video editing interface/console thing of some kind. (I knew it would be interesting when I Googled and there were zero image results.)
The lower 35 keys have Cherry MX black switches, the upper keys have some other kind of switches, no idea what they are. Estimating the age to be around 1987-1990. Someone hand-wrote a serial number on the bottom.
It's not IBM (most of my collection), but I have a soft spot for vintage MX switches (one of the keyboards in my WFH rotation has vintage blacks on a customized Keychron frame). The unit is dirty, but the MX switches feel great.
There is an imgur gallery with possibly higher-quality images, and more details, here.
Dubner DSS-4 Still Store (vintage Cherry MX black and unknown switches)
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- Location: Texas
- Main keyboard: Keychron C3 Pro RGB (MX blacks) and '82 Model F/XT
- Main mouse: Logitech M325 and Kensington Expert Mouse (64215)
- Favorite switch: Cherry MX black RGB and IBM capacitive BS
- Attachments
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- 000.jpeg (1.03 MiB) Viewed 49 times
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- 022.jpg (3.47 MiB) Viewed 49 times
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- 033.jpg (3.69 MiB) Viewed 49 times
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- 044.jpg (4.44 MiB) Viewed 49 times
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- 055.jpg (1.06 MiB) Viewed 49 times